37 Installation, cleaning, repair and maintenance of solar and renewable energy based power plants; installation, cleaning, repair and maintenance of solar thermal installations; repair and installation of solar energy systems and alternative energy products for residential and commercial use; installation, and maintenance of facilities to produce solar energy; installation, integration being installation of new power plant machinery to existing power plants, and maintenance of power plants which produce distributed energy; consultation in the fields of construction, repair, maintenance and installation of solar thermal installations, solar energy systems, and alternative energy systems; Design, installation, maintenance and repair of solar systems; solar power as-a-service; technical support for solar systems, namely, technician services, remote system monitoring, system performance analysis, maintenance issue diagnosis, solar panel cleaning, and administration of third party technician services; Installation, maintenance and repair of batteries, accumulators; design, installation, maintenance and repair of smart home systems, smart electrical panels, battery systems and battery backup bundles